■适用范围：
1区、2区危险场所。
ⅡA、ⅡＢ、ⅡC类爆炸性气体环境。
*如要求ⅡC类或增安型请注明。
*可根据用户要求做成粉尘防爆。

■Application
Can be used in Zone 1 and Zone 2 dangerous places.
Can be used inⅡA、ⅡB、ⅡC group explosive atmosphere.
*Please note if want ⅡC type of safety-increased type.
*Can be made dust explosion-proof according to user's requiment.

■产品特点
铸铝合金外壳，压铸成型，表面喷塑。
进出线口有多种方式及规格，吊盖通头为六角型。
进出线口螺纹可特制。
隔爆面特别增有O型橡胶密封圈，既隔爆又防水，防护等级达到IP65，为专利产品。

■Features:　
The shell is of diecasted Al-alloy with plastic-sprayed surface.
Inlet or outlet has many kinds of mode and specifications,dust head of hanging cover is a hexagon.
Thread specification can be specially designed.
Isolation explosion surface increases especially to set up an O shaped rubber sealing ring. It can isolate explosion and it is also waterproof. The protection level is IP65, and it is a patent product.

■主要技术数据 Main Technical Parameters
BHD 51系列隔爆型接线盒代号，外形及名称一览表
BH51 Series flame-proof junction box code, outline and descriptions as the following,table.

代号 Code	外形 Outline	名称 Description	代号 Code	外形 Outline	名称 Description
A		一通平 1 entry in horizon	F		一通吊 1 entry hung type
B		直二通平 2 direct entries in horizon	G		直二通吊 2 direct entries hung type
C		三通平 3 entries in horizon	H		三通吊 3 entries hung type
D		四通平 4 entries in horizon	I		四通吊 4 entries hung type
E		直角二通平2 Perpendicular direct entries in horizon	J		直角二通吊2 Perpendicular direct entries hung type

注：
1、“○ ”表示平盖，“”表示吊盖。
2、在正常情况下，吊盖与通头同口径，如
特殊要求可特制。
3、通头一般为圆柱管螺纹G1/2"、G3/4"、
G1"如特殊要求可特制。

Note：
1、“○ ”horzontal cover，“”hung cover.
2、Generally the diameter of entry is equal to that of hung cover hole.special requirement can be available.
3、The entry is often made as pipe thread G1/2"、G3/4"、G1", also special requirement can be made.

标注举例:
1、BHD51－3/4B含义：BHD51隔爆型接线
盒，管螺纹为G3/4"直二通平盖。
2、BHD51－1/2J含义：BHD51隔爆型接线
盒，管螺纹为G1/2"直角二通吊盖。

For Example:
1、BHD51－3/4B：BHD51means explosion-proof junction box, pipe thread G3/4"2 direct entries with-horizontal cover.
2、BHD51－1/2J：BHD51 means explosion-proof junction box, pipe thread G1/2" 2 perpendicular entries with hung cover.